As I sit in front of my air conditioner, looking up weather forecasts of extreme heat for most of the United States, I started to wonder about how computers keep themselves cool. Let’s look at desktops. Why would anyone need more than a simple fan exhaust? If you are just checking your e-mails and reading articles on Wikipedia, you will not need to worry about anything more than that. Increased power consumption equates to more

LED lighting is turning up all over these days. It’s no wonder; they offer some clear advantages over the traditional incandescent bulbs of the past. These benefits come largely in four areas: ability, efficiency, affordability and longevity. Let’s tackle affordability first because the cost of LED bulbs tends to be the major stumbling block when it comes to their use. It is true that LED lighting does cost more per unit than incandescents. This cost,